Display screen with a graphical user interface



FIG. 1 is a front view of a first image of a first embodiment of a transitional graphical user interface for a portion of a display screen showing the new design;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a first image of a second embodiment of a transitional graphical interface for a portion of a display screen showing the new design; and,

FIG. 4 is a front view of a second image thereof.

In the first embodiment, the appearance of the transitional image sequence transitions from the images shown in FIGS. 1-2; in the second embodiment the appearance of the transitional image sequence transitions from the images shown in FIGS. 3-4. This process or period forms no part of the claimed design.

The outer broken line showing a portion of the display screen and all other broken lines showing portions of the graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a display screen with a graphical user interface, as shown and described. 